Home / 55,394.86-82,997.76-30,455.80

Finding the Fourth Proportional to 55,394.86, 82,997.76 and 30,455.80

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Solution

The fourth proportional to 55,394.86, 82,997.76 and 30,455.80 is: 45,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.86 : 82,997.76 = 30,455.80 : x
  2. Step 2: Convert to fraction form
    55,394.86/82,997.76 = 30,455.80/x
  3. Step 3: Cross multiply
    55,394.86x = 82,997.76 × 30,455.80
  4. Step 4: Simplify right side
    55,394.86x = 2,527,763,179.01
  5. Step 5: Solve for x
    x = 2,527,763,179.01/55,394.86
  6. Step 6: Final answer
    x = 45,631.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.